block.gp.extra
Syntax
- a = block.gp.extra(bgpp<,i>)
- block.gp.extra(bgpp<,i>) = a
Get/set the data stored in the extra variable at index i for a gridpoint. The value in an extra variable can by any valid FISH type.
Returns: a - value Accepts: a - value Arguments: bgpp - block gridpoint pointer
i - the optional index of the extra variable to set or retrieve. Can be from 1 to 128. If not specified, 1 is assumed.
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